橡树岭大气质量指数不包含下面的哪一项污染物（）。

A.CO₂

B.SO₂

C.NO₂

D.O₃

E.颗粒物

I was nearly exhausted from preparing my experiment report last night so I took a hot bath to         myself.

A．behave

B．transform

C．present

D．refresh